Installing Hole: Φ3
Power Supply: Powered By USB (The input cannot exceed 12V)
Power Consumption: Max. 2W (Output: 5V, All LEDs are on.)
Step 1: QR Code on the Product
Step 2: The Picture About Low Level of Sound
Step 3: The Picture About High Level of the Sound
Step 4: The Video to Show the Effect
Note: The microphone is more sensitive to the high level of the sound, but not the lower level.